"""Empty shelves and signs on the soft drinks aisle of a Sainsbury's store in Rowley Regis in the West Midlands, England, Thursday July 22, 2021. Retailers in England warned Thursday of barren supermarket shelves as more and more staff get """"pinged"""" on their phones to self-isolate because of contact with coronavirus cases. Grappling with staff shortages amid the so-called """"pingdemic,"""" many businesses, such as supermarket chain Iceland, have had to close some stores. (Matthew Cooper/PA via AP)"""
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